1311853535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 1689336000

約数和(自身を除く): 377482465

約数列:

[1, 5, 17, 85, 157, 197, 499, 785, 985, 2495, 2669, 3349, 8483, 13345, 16745, 30929, 42415, 78343, 98303, 154645, 391715, 491515, 525793, 1331831, 1671151, 2628965, 6659155, 8355755, 15433571, 77167855, 262370707, 1311853535]

約数ペア:

[(1, 1311853535), (5, 262370707), (17, 77167855), (85, 15433571), (157, 8355755), (197, 6659155), (499, 2628965), (785, 1671151), (985, 1331831), (2495, 525793), (2669, 491515), (3349, 391715), (8483, 154645), (13345, 98303), (16745, 78343), (30929, 42415)]